Synchronization on an object initialized with a literal
Reports synchronized
blocks that lock on an object initialized with a literal.
String literals are interned and Character
, Boolean
and Number
literals can be allocated from a cache. Because of this, it is possible that some other part of the system, which uses an object initialized with the same literal, is actually holding a reference to the exact same object. This can create unexpected dead-lock situations, if the lock object was thought to be private.
Example:
class Main {
final String mutex = "Mutex";
void method() {
synchronized (mutex) {
}
}
}
- By ID
Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.
SynchronizedOnLiteralObject
Use the Warn on all possible literals option to report any synchronization on String
, Character
, Boolean
and Number
objects.
Here you can find the description of settings available for the Synchronization on an object initialized with a literal inspection, and the reference of their default values.
Inspection Details | |
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By default bundled with: | |
Can be installed with plugin: | Java, 243.23126 |
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